Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 998280 = 900000 + _____ + 200 + 80
- 469598 = _____ + 60000 + 9000 + 500 + 90 + 8
- 355654 = 300000 + 50000 + _____ + 600 + 50 + 4
- 157173 = 100000 + 50000 + 7000 + _____ + 70 + 3
(a)
998280 = 900000 + _____ + 200 + 80
998280 = 900000 + _____ + 280
998280 - 900000 - 280 = 98000
(b)
469598 = _____ + 60000 + 9000 + 500 + 90 + 8
469598 = _____ + 69598
469598 - 69598 = 400000
(c)
355654 = 300000 + 50000 + _____ + 600 + 50 + 4
355654 = 350000 + _____ + 654
355654 - 350000 - 654 = 5000
(d)
157173 = 100000 + 50000 + 7000 + _____ + 70 + 3
157173 = 157000 + _____ + 73
157173 - 157000 - 73 = 100
Answer(s): 98000, 400000, 5000, 100